1 /* 2 * Copyright (C) 2017 THL A29 Limited, a Tencent company. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this 9 * list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR 18 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 23 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 */ 26 27 #ifndef _FF_MSG_H_ 28 #define _FF_MSG_H_ 29 30 #include <rte_memory.h> 31 32 #define FF_MSG_RING_IN "ff_msg_ring_in_" 33 #define FF_MSG_RING_OUT "ff_msg_ring_out_" 34 #define FF_MSG_POOL "ff_msg_pool" 35 36 /* MSG TYPE: sysctl, ioctl, etc.. */ 37 enum FF_MSG_TYPE { 38 FF_UNKNOWN = 0, 39 FF_SYSCTL, 40 FF_IOCTL, 41 FF_IOCTL6, 42 FF_ROUTE, 43 FF_TOP, 44 FF_NGCTL, 45 FF_IPFW_CTL, 46 FF_TRAFFIC, 47 48 /* 49 * to add other msg type before FF_MSG_NUM 50 */ 51 FF_MSG_NUM, 52 }; 53 54 struct ff_sysctl_args { 55 int *name; 56 unsigned namelen; 57 void *old; 58 size_t *oldlenp; 59 void *new; 60 size_t newlen; 61 }; 62 63 struct ff_ioctl_args { 64 unsigned long cmd; 65 void *data; 66 }; 67 68 struct ff_route_args { 69 int fib; 70 unsigned len; 71 unsigned maxlen; 72 void *data; 73 }; 74 75 struct ff_top_args { 76 unsigned long loops; 77 unsigned long idle_tsc; 78 unsigned long work_tsc; 79 unsigned long sys_tsc; 80 unsigned long usr_tsc; 81 }; 82 83 struct ff_ngctl_args { 84 int cmd; 85 int ret; 86 void *data; 87 }; 88 89 enum FF_IPFW_CMD { 90 FF_IPFW_GET, 91 FF_IPFW_SET, 92 }; 93 94 struct ff_ipfw_args { 95 int cmd; 96 int level; 97 int optname; 98 void *optval; 99 socklen_t *optlen; 100 }; 101 102 struct ff_traffic_args { 103 uint64_t rx_packets; 104 uint64_t rx_bytes; 105 uint64_t tx_packets; 106 uint64_t tx_bytes; 107 }; 108 109 #define MAX_MSG_BUF_SIZE 10240 110 111 /* structure of ipc msg */ 112 struct ff_msg { 113 enum FF_MSG_TYPE msg_type; 114 /* Result of msg processing */ 115 int result; 116 /* Length of segment buffer. */ 117 size_t buf_len; 118 /* Address of segment buffer. */ 119 char *buf_addr; 120 121 union { 122 struct ff_sysctl_args sysctl; 123 struct ff_ioctl_args ioctl; 124 struct ff_route_args route; 125 struct ff_top_args top; 126 struct ff_ngctl_args ngctl; 127 struct ff_ipfw_args ipfw; 128 struct ff_traffic_args traffic; 129 }; 130 } __attribute__((packed)) __rte_cache_aligned; 131 132 #endif 133